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Old 10-09-2013, 06:20 PM   #1
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crawl space & drylock paint

I have a new foundation crawl space. I would like to paint the cement block inside the crawl space with UGL Drylock Extreme. First off can I spray this product on or must I use a roller & brush. Also, my contractor says he does not think Drylock in necessary. This is a new home. The crawl space floor (dirt) will be covered with 6 mill plastic sheet & there is a full french drain system adjacent to all the walls to drain away any seepage. We will also be installing a dehumidifer system in the crawlspace as well.

What I would really like to do is completely seal the crawlspace walls with plastic sheet but the local code here will not allow plastic sheeting against the crawlspace wall because it would prevent annual termite inspection.
The contractor would drylock the walls if I insist, but he see this as expensive & not needed. He is cofident there will be no moisture issues. But I guess I like to have an insurance policy. Any advice you can give me? Thanks.


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Old 10-09-2013, 06:57 PM   #2
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Well, I've never used it in a crawlspace which I assume is ABOVE grade. It's really only a small insurance policy on basement walls BELOW grade where only small amounts of moisture are making their way through the walls into the interior. I guess it could be sprayed although it is applied BEST with a thick nap roller and back brushing it so it gets into the pores of the cement block.

I would agree with your's a case of overkill and its' application won't really do anything other than make it look better aesthetically in the crawlspace.


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Old 10-09-2013, 11:43 PM   #3
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Any sealing should have been done on the outside not the inside.
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Old 10-10-2013, 07:55 AM   #4
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Originally Posted by joecaption View Post
Any sealing should have been done on the outside not the inside.
Most of the crawspace is above grade. Some wall areas are about 2 feet below grade. Water run off goes around the building with no issues. The house is located in the Upstate area of South Carolina in Anderson county.

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